Description of actuators (front side) :
(1)
Controller Volume:
Adjustment of volume of the output signal at the Speakon and at the
XLR output jack.
(2)
Controller Frequency setting:
Pre-setting of the sine-wave frequency tone
from 90 Hz to 900 Hz and from 900Hz to 9KHz
to be set according to the type of loudspeaker to be checked.
(3)
Frequency mode switch:
Switchover of frequency mode
Key not pressed: : Frequency mode x 1 ( 90Hz – 900Hz)
Key pressed:
Frequency mode x10 (900 Hz – 9 KHz)
(4)
Switch XLR output:
Key not pressed:
(Speaker test)
Asymmetrical output signal at Pin 1 and 2 of
the XLR output;
pin 3 is not connected.
Key pressed: Symmetrical output signal at the XLR output
(output of the sine-wave frequency to a
symmetrical mixer input).
Pin
1
=
Ground
Pin
2
=
Signal
(+)
in
phase
Pin
3
=
Signal
(-)
in
opposition
(5)
Switch On:
Switch on of the voltage supply
After switching on, the green control LED lights when the battery is
inserted.
